FIELD: manufacture of charge billets of refractory nickel alloys.
SUBSTANCE: ingot mold is in the form of tube with detachable plug. In open end of ingot mold funnel with hollow wall filled with easy-to-melt metal is placed. Insert is made of nickel alloy with refractoriness higher than that of billet metal and it is arranged in funnel. Discs-partitions are placed inside tube. Spacing between said discs corresponds to size of charge billets. Discs made of graphite or dense ceramics have central opening. In plug there are dead openings for receiving samples used for certification of charge billets. In funnel easy-to-melt metal prevents superheating of melt due to melting heat. At crystallization of billets funnel serves as hot top.
EFFECT: enhanced quality of measured billets, less irreversible losses of nickel alloys.
2 dwg
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